public string Encrypt(string value, byte[] key)
{
// Populate cube
var cube = CubeUtility.Fill(value);
// Get length of cube
short length = Convert.ToInt16(Math.Ceiling(Math.Pow(cube.Length, 1d / 3d)));
// Shift cube based on combination
for (int i = 0; i < length; i++)
{
foreach (var k in key)
{
cube = CubeUtility.RotateLayer(cube, k);
}
}
// Shift text in string by hex
byte[] data = Encoding.UTF8.GetBytes(new string(CubeUtility.Flatten(cube)));
return(Convert.ToBase64String(data));
}
public string Decrypt(string value, byte[] key)
{
char[,,] cube;
// Reverse array
Array.Reverse(key);
try
{
// Decode to UTF8
var decoded = Encoding.UTF8.GetString(
System.Convert.FromBase64String(value),
0,
System.Convert.FromBase64String(value).Length
);
// Populate cube
cube = CubeUtility.FillReverse(decoded);
}
catch
{
throw new Exception("There was an error decoding the text");
}
// Get length of cube
short length = Convert.ToInt16(Math.Ceiling(Math.Pow(cube.Length, 1d / 3d)));
// Shift cube based on combination
for (int i = 0; i < length; i++)
{
foreach (var k in key)
{
cube = CubeUtility.ReverseLayer(cube, k);
}
}
// Flatten cube to string
return(new string(CubeUtility.FlattenReverse(cube)).Replace('\0', ' ').Trim());
}
